The PC is one of the most common ways to enjoy music these days, but the quality of the built-in audio is simply too noisy and poor in quality. The Firestone Audio BlackKey USB DAC is designed to fix that problem. Designed for the portable both portable and home use, the Firestone Audio BlackKey USB DAC is the smallest option to increase the sound quality from your PC or laptop and is extremely cost effective too. It is made by Firestone Audio, so you can be sure of perfect quality and sound. Technical SpecificationsSize: High 80.15mm x Width 20.4mm x Depth 18.1mmFrequency response (from 40 Hz to 15 kHz): +0.04dB， -0.32dB Noise level: -94.0dB Dynamic range: 93.7 dB THD %: 0.0070% Stereo crosstalk: -90.6 dB Support to 96kHz/24Bit USB Interface: (A type) to USB Interface System required: Windows XP/Vista/7, MAC OSX and Linux Connectivity: USB interface (A type) Analog output: 3.5mm headphone jack |
